542501472207 has 4 divisors (see below), whose sum is σ = 723335296280. Its totient is φ = 361667648136.

The previous prime is 542501472169. The next prime is 542501472277. The reversal of 542501472207 is 702274105245.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 542501472207 - 2²⁰ = 542500423631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542501472277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90416912032 + ... + 90416912037.

It is an arithmetic number, because the mean of its divisors is an integer number (180833824070).

Almost surely, 2^542501472207 is an apocalyptic number.

542501472207 is a deficient number, since it is larger than the sum of its proper divisors (180833824073).

542501472207 is a wasteful number, since it uses less digits than its factorization.

542501472207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180833824072.

The product of its (nonzero) digits is 156800, while the sum is 39.

The spelling of 542501472207 in words is "five hundred forty-two billion, five hundred one million, four hundred seventy-two thousand, two hundred seven".